1. Boat Outboard Engines To Buy
  2. sku: 23115730879721711
  3. TOHATSU 369-65022-0M

TOHATSU 369-65022-0M Water Tube MFS4 MFS5 MFS6 32-16170

fits make: Mercury.

369-65022-0m Tohatsu Mfs4 Mfs5 Mfs6 Water Tube Mercury 32-16170

( Brand: Tohatsu ), ( Manufacturer Part Number: 369-65022-0M ), ( Part Type: Tube )

Review TOHATSU Water Tube Mercury

The **Tohatsu MFS4/MFS5/MFS6 369-65022-0M Mercury Outboard Motor** is a high-performance, reliable, and versatile marine propulsion system designed to deliver exceptional power and efficiency for a wide range of watercraft, from small fishing boats and personal watercraft to larger recreational and utility vessels. Engineered with Tohatsu s signature precision and durability, this **3.5 horsepower (32-16170 series) mercury ignition outboard** combines a compact yet robust design with advanced water-cooled performance, making it ideal for both freshwater and saltwater applications. The **MFS series** (Multi-Fuel System) is particularly noteworthy, as it is compatible with a variety of fuel types, including gasoline, ethanol blends, and even some biofuels, offering flexibility for different operational needs without compromising performance. The **0M model** features a **single-cylinder, air-cooled engine** with a **2-stroke mercury ignition system**, ensuring smooth operation and reduced maintenance compared to traditional 2-stroke outboards, while still delivering the power and torque required for efficient maneuvering and towing.

This outboard is equipped with a **direct-drive, single-impeller propeller system**, which enhances fuel efficiency and reduces wear on the engine while providing reliable thrust for speeds up to approximately **15-20 mph**, depending on the load and hull design. The **water-cooled exhaust system** prevents overheating, even during prolonged use, and the **sealed cooling system** minimizes the risk of corrosion, making it well-suited for both freshwater and saltwater environments. The **Tohatsu MFS series** also incorporates a **fuel-injected ignition system**, which improves combustion efficiency, reduces emissions, and extends engine life by ensuring cleaner, more consistent power delivery. This motor is particularly well-suited for **fishing boats, canoes, kayaks, paddleboards, and small utility vessels**, where space is limited but performance is essential.

One of the standout features of this outboard is its **modular and lightweight construction**, which allows for easy installation and removal, even for those with limited mechanical experience. The **direct-mount design** ensures a secure fit on most small watercraft, and the **pre-lubricated components** simplify maintenance, reducing the need for frequent oil changes or adjustments. Additionally, the **mercury ignition system** eliminates the need for spark plugs, further reducing maintenance hassles while maintaining reliable starts in various conditions. The **MFS series** also benefits from Tohatsu s reputation for **long-lasting durability**, with many users reporting years of trouble-free operation when proper fuel and maintenance protocols are followed.

For those seeking a balance between power and efficiency, the **369-65022-0M** is an excellent choice, offering a **compact yet powerful** solution for a variety of boating needs. Whether used for **recreational fishing, leisure cruising, or light utility work**, this outboard provides the necessary thrust to navigate calm waters, shallow areas, and even light chop with ease. Its **versatile fuel compatibility** also makes it a practical option for boaters who may not always have access to premium gasoline, while still delivering consistent performance. With its **rugged yet lightweight design**, the Tohatsu MFS4/MFS5/MFS6 3.5 HP mercury outboard is a dependable companion for anyone looking to enhance their watercraft s capabilities without the bulk or complexity of larger engines.

The **Tohatsu MFS4/MFS5/MFS6 369-65022-0M water-cooled outboard motor** (specifically the **32-16170** model, which appears to be a 3.5 4.5 HP mercury replacement) is a popular choice for small boats, canoes, kayaks, and fishing vessels. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Tohatsu MFS4/MFS5/MFS6 369-65022-0M (32-16170)**

1. **Reliability and Durability**

- Tohatsu is known for building long-lasting, low-maintenance outboard motors, especially in the 2 5 HP range. These engines are often favored for their robustness in saltwater and freshwater environments.

- The water-cooled design helps prevent overheating, which is beneficial for extended use in shallow or warm water.

2. **Fuel Efficiency**

- The 3.5 4.5 HP range is designed for small boats, making it highly fuel-efficient. It consumes very little gasoline, reducing operating costs.

- Ideal for canoes, kayaks, or small fishing boats where power is minimal but reliability is critical.

3. **Low Noise and Vibration**

- Tohatsu engines are generally quieter than some competitors, which is advantageous for stealth fishing or recreational use.

- Reduced vibration translates to a smoother ride, which is important for small, lightweight boats.

4. **Ease of Maintenance**

- The design is straightforward, with accessible components for basic upkeep (e.g., oil changes, spark plug replacement).

- Water-cooled systems require less cooling maintenance compared to air-cooled engines, though they still need occasional flushing.

5. **Versatility**

- Works well in both freshwater and saltwater, though saltwater use may require more frequent maintenance (e.g., descaling).

- Compatible with a wide range of small boats, including canoes, kayaks, paddleboards, and small fishing vessels.

6. **Affordability**

- Compared to larger outboards, this engine is relatively inexpensive to purchase and maintain.

- Replacement parts (e.g., spark plugs, gaskets, impellers) are widely available and cost-effective.

7. **Environmentally Friendly**

- Lower horsepower means lower emissions, making it a better choice for eco-conscious boaters.

- Some models meet or exceed emissions standards for small engines.

8. **Easy to Start and Operate**

- Pull-start mechanism is simple and reliable, with minimal effort required to start the engine.

- Lightweight design makes it easy to handle for solo users.

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### **Cons of the Tohatsu MFS4/MFS5/MFS6 369-65022-0M (32-16170)**

1. **Limited Power for Larger Boats**

- At 3.5 4.5 HP, this engine is **not suitable for larger boats** (e.g., jon boats over 12 14 feet, bass boats, or heavily loaded vessels). It may struggle with waves, strong currents, or multiple passengers.

- If you plan to tow a trailer or use the boat in rough conditions, a higher HP engine (e.g., 5 10 HP) would be more appropriate.

2. **Saltwater Corrosion Risks**

- While Tohatsu engines are durable, **saltwater use accelerates corrosion** over time, especially if the engine is not properly flushed and maintained.

- The water-cooled system is more prone to clogging from salt deposits if not cleaned regularly.

3. **Limited Speed and Performance**

- The engine is designed for **slow-speed applications** (e.g., paddling assistance, trolling, or stationary use). It will not achieve high speeds or handle rough water well.

- Not ideal for racing, wakeboarding, or high-performance boating.

4. **Dependence on Freshwater for Cooling**

- Water-cooled engines require **freshwater** for optimal cooling. In saltwater, the cooling system may need frequent flushing to prevent buildup.

- If you frequently use the boat in saltwater without proper maintenance, the engine may overheat or fail prematurely.

5. **Replacement Parts Availability**

- While parts are generally available, **older models may have limited aftermarket support** compared to newer engines. Always check for compatibility before purchasing.

- Some users report difficulty finding exact replacements for rare components (e.g., impellers, gaskets).

6. **Not Ideal for Heavy-Duty Use**

- Continuous operation (e.g., running for hours at a time) can strain the engine, leading to premature wear.

- Not recommended for commercial or heavy fishing use where the engine is worked hard daily.

7. **Potential for Fuel System Issues**

- Like many small engines, this model can suffer from **fuel line clogs, carburetor fouling, or priming issues**, especially if not stored properly (e.g., fuel stabilizer not used in winter).

- Requires regular fuel system cleaning to prevent gumming or varnish buildup.

8. **Limited Aftermarket Upgrade Options**

- Unlike larger outboards, there are **few performance upgrades** available for this engine. If you want more power, you may need to replace the entire motor.

---

### **Conclusion**

The **Tohatsu MFS4/MFS5/MFS6 369-65022-0M (32-16170)** is an **excellent choice for small, lightweight boats** where reliability, fuel efficiency, and low maintenance are priorities. It excels in **canoes, kayaks, paddleboards, and small fishing vessels** in calm waters. However, it is **not suitable for larger boats, rough water, or high-performance applications**.

If you need **minimal power for leisurely paddling, trolling, or occasional fishing in protected waters**, this engine is a **solid, cost-effective option**. However, if you require **more speed, towing capacity, or durability in harsh conditions**, you may need to consider a **higher HP outboard** (e.g., 5 10 HP) or a different brand with more power.

---

### **Recommendation**

**Buy this Tohatsu engine if:**

- You have a **small boat (canoe, kayak, or under 12 feet)**.

- You primarily use it in **calm freshwater or lightly saltwater environments**.

- You want a **reliable, low-maintenance, and fuel-efficient** motor for **leisurely activities** (e.g., fishing, paddling, or trolling).

- You are on a **budget** and need an affordable, long-lasting option.

**Avoid this engine if:**

- Your boat is **larger than 12 14 feet** or heavily loaded.

- You frequently operate in **rough water, strong currents, or waves**.

- You need **high speed, towing capacity, or heavy-duty performance**.

- You plan to **store the boat for long periods** without proper fuel treatment (risk of fuel system issues).

- You want **easy upgradeability** (this engine has limited performance modifications).

**Alternatives to Consider:**

- **Mercury 4.5 HP or 5 HP** (if you want a Mercury brand with slightly more power).

- **Honda BF50 or BF60** (if you prioritize fuel efficiency and longevity in freshwater).

- **Evinrude 3.5 5 HP** (another reliable brand with similar power output).

- **Higher HP Tohatsu (e.g., 5.5 7.5 HP)** if you need more power for a slightly larger boat.

**Final Verdict:**

For the right application (small boat, calm water, low-speed use), the **Tohatsu 369-65022-0M is a dependable and practical purchase**. However, **realistic expectations** about its limitations will ensure long-term satisfaction. Always **follow maintenance guidelines**, especially if using in saltwater, to maximize its lifespan.

Details:

Mfs4 Mfs5 Mfs6 Water Tube Mercury Tohatsu 32-16170 369-65022-0M.

part #: 369650220m price

  • $18.00

specifications ouboaen:

  • for makes: Mercury
  • brand: Tohatsu
  • mpn: 369-65022-0m
  • part type: Tube

seller ouboaen:

  • rating: 100.0%
  • city: Gloucester, Massachusetts
  • # reviews: 801

shipping ouboaen:

  • cost: $5.62
  • transit: 4-10 Days
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general ouboaen:

  • condition: Used
  • Boat Parts > Outboard Engines Components > Cooling Systems

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  • policy: No Returns

offer ouboaen:

  • started: April 5, 2026
  • sold: 0
  • best offers: True
  • options: Ship-to-home
  • availability: In Stock
  • quantity: 1
for makes: mercury, part type: tube,
category: boat parts > outboard engines components > cooling systems, sku: 23115730879721711,
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  • Used. Offer #1 priced at $18.00 + $6.07 shipping estimate = $24.07* total. Water Tube Mercury Tohatsu .+$6.07 shipping

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